International organizationAn international organization, also known as an intergovernmental organization or an international institution, is an organization that is established by a treaty, or is an instrument governed by international law and possessing its own legal personality, such as the United Nations, the World Health Organization, Save the Children International, and NATO. International organizations are composed of primarily member states, but may also include other entities, such as other international organizations, firms, and nongovernmental organizations.
Continental unionA continental union is a regional organization which facilitates pan-continental integration. Continental unions vary from collaborative intergovernmental organizations, to supranational politico-economic unions. Continental unions are a relatively new type of political entity in the history of human government. Throughout most of human history, political organization has been at the local level (e.g. tribal, city state) and in more recent centuries, the sub-regional ("regional")/sub-continental level (e.g.
Regional integrationRegional Integration is a process in which neighboring countries enter into an agreement in order to upgrade cooperation through common institutions and rules. The objectives of the agreement could range from economic to political to environmental, although it has typically taken the form of a political economy initiative where commercial interests are the focus for achieving broader socio-political and security objectives, as defined by national governments.
Trade blocA trade bloc is a type of intergovernmental agreement, often part of a regional intergovernmental organization, where barriers to trade (tariffs and others) are reduced or eliminated among the participating states. Trade blocs can be stand-alone agreements between several states (such as the USMCA) or part of a regional organization (such as the European Union). Depending on the level of economic integration, trade blocs can be classified as preferential trading areas, free-trade areas, customs unions, common markets, or economic and monetary unions.